Skip to content

Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / Qwiic

Marsoni M251S
Sale price$10.74
Pay 4 payments of $2.69 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / QwiicThe Adafruit ISO1540 Bidirectional I2C Isolator is designed to provide full electrical isolation between two sides of an I2C bus. Perfect for setups where you need to keep an I2C bus controller and an I2C device electrically separated due to grounding differences, noise reduction, or special power monitoring requirements. This board uses the TI ISO1540 chip, which supports bidirectional I2C communication up to 1 MHz with clock stretching and operates
Easy Shipping

Quick Dispatch:

Your Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / Qwiic orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / Qwiic ships.

Need Help?
Questions about Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / Qwiic, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Adafruit ISO1540 Bidirectional I2C Isolator - STEMMA QT / Qwiic in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 1378 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Jerry
Fort Morgan, US
★★★★★ 5
Much cheaper than letting dealership do the job
Size: 9.7" x 9.3" x 1.8"
Filter fits well in works well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
G
Verified Purchase
Good product, Not easy to install
Bozeman, US
★★★★★ 5
Not fit for 2023 Highlander
Size: 9.7" x 9.3" x 1.8", Size: 9.7" x 9.3" x 1.8"
Product quality is good, that's why I give 5 stars. However it was not fit for my 2023 Toyota Highlander,, so returned.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
J
Verified Purchase
JPM
Louisville, US
★★★★★ 5
Air flow direction
Size: 9.7" x 9.3" x 1.8"
Good product. Fits fine. This is not a Toyota part so Air Flow Arrows on filter should face down in a 2015 Toyota Rav4.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
B
Verified Purchase
brian
Waukegan, US
★★★★★ 5
Better upgrade for older BMW
Material Type: Plastic
Perfect fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
A
Verified Purchase
Amanda
Pawtucket, US
★★★★★ 5
Amazing
Material Type: Plastic
I purchased the Front Center Console Cup Holder as a replacement and it worked perfectly. The fit was very good and it matched the interior of the car nicely. It feels sturdy and holds cups securely without them moving around while driving. Installation was simple and took just a few minutes. It’s a great solution if your original cup holder is broken, worn out,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026

recommand products